The paradox of exercise is that while using a lot of energy it seems to generate more.

锻炼的矛盾之处在于消耗很多能量却似乎又产生更多能量。

《柯林斯英汉双解大词典》

They learned a lot from the initial market testing exercise.

他们从最初的市场测试活动中学到了许多。

《柯林斯英汉双解大词典》

Joe was doing a lot of exercise to build up her strength.

乔进行了大量的锻炼以增强她的体力。

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He dismisses his brother's entirely practical argument, because for him chastity is a lot more than a simple exercise of sexual abstinence.

他推翻了他弟弟所有实际的论点，因为对他来说,贞节不仅仅是简单的禁止性欲。

耶鲁公开课 - 弥尔顿课程节选

You reduce a lot of the health risks, if you exercise often.

如果你经常运动的话，它会帮你降低许多健康问题的风险。

It's important 实战 - SpeakingMax英语口语达人

We could begin to put a certain amount of pressure on the text and possibly, as I say, - begin to do things with it which are kind of a five-finger exercise-- -- we'll be doing a lot more of that sort of thing--but which might work.

开始时我们应该对文本抱有一定的怀疑,就像我说的，用一种五指练习法来做-,以后我们会大量涉及到这种练习。

耶鲁公开课 - 文学理论导论课程节选

Exercise can do a lot of things other than preventing heart disease or cancer.

NPR: Confronting Misconceptions About Cancer Prevention

So you got to make sure you give him a lot of exercise.

WHITEHOUSE: First Lady Michelle Obama Q&A with Children

Some stunning numbers: According to the Centers for Disease Control, of all babies born in 2000, one-third will become diabetic sometime in their lives unless they begin eating a lot better and getting a lot more exercise.

NPR: Rabid Reader: 'Fat Land' and U.S. Supersizing